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WorksheetsCH 20 8th Grade Science Putman
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Resistance is measured in a unit called the ____.
a)
ohm
b)
ampere
c)
coulomb
d)
volt
2.
The statement that current is equal to the voltage difference divided by the resistance is known as ____.
a)
Einstein's equation
b)
Faraday's law
c)
Newton's law
d)
ohm's law
3.
A path that allows only one route for an electric current is called a ____.
a)
parallel circuit
b)
parallel current
c)
series circuit
d)
series current
4.
Electric charge that has accumulated on an object is referred to as ____.
a)
circuit electricity
b)
current electricity
c)
current circuit
d)
static electricity
5.
A circuit that has two or more branches for electrons to follow is a(n) ____.
a)
series circuit
b)
electron circuit
c)
parallel circuit
d)
circuit diagram
6.
The rate at which an electrical device converts energy from one form to another is called ____.
a)
voltage regulation
b)
electrical power
c)
electrical resistance
d)
electrical energy
7.
A material through which electrons do NOT easily flow is a(n) ____.
a)
transformer
b)
fuse
c)
insulator
d)
conductor
8.
Lightning is ____.
a)
a large discharge of static electricity
b)
buildup of neutrons
c)
a high-voltage electric current
d)
harmless
9.
One source of constant electric current is a ____.
a)
transformer
b)
dry cell
c)
coulomb
d)
switch
10.
Which of the following is a device designed to open an overloaded circuit and prevent overheating?
a)
transformer
b)
magnet
c)
circuit breaker
d)
resistor
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